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LakeQuality
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Dtl Lake Water Temperature

Dtl Lake in Clay County, Florida typically sits around 83°F at the surface in September — warmest in Jul (~87°F) and coldest in Jan (~56°F). That is a typical value for the month, not a live reading.

Typical in September
83°F
Warm
Summer average
86°F
Warmest (Jul)
87°F
Coldest (Jan)
56°F

Typical water temperature by month

Jan
56°
Feb
61°
Mar
66°
Apr
74°
May
81°
Jun
84°
Jul
87°
Aug
87°
Sep
83°
Oct
75°
Nov
69°
Dec
60°

Typical surface water temperature by month, from 748 field readings (20102025) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Dtl Lake warm enough to swim?

At its summer peak (~86°F): Warm

Very comfortable for swimming. Warm surface water can also favor blue-green algae in nutrient-rich lakes, so check for advisories before you go in.

Want more than temperature? Dtl Lake water quality: clarity, algae, phosphorus, depth, fish species, and current advisories, all on one page.

Where to stay near Dtl Lake

Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Dtl Lake — live availability and prices. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Dtl Lake

Prices for Sep 18–20, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

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Frequently asked questions

What is the water temperature of Dtl Lake?

Dtl Lake typically sits around 83°F at the surface in September, from 748 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

When is Dtl Lake warmest?

Surface water at Dtl Lake is typically warmest in July, reaching about 87°F. Lake surface temperature lags air temperature by several weeks, so the warmest water usually arrives in mid-to-late summer even though the hottest air can come earlier.

Is Dtl Lake warm enough to swim?

At its typical summer peak of about 86°F, Dtl Lake rates as "warm" for swimming. Very comfortable for swimming. Warm surface water can also favor blue-green algae in nutrient-rich lakes, so check for advisories before you go in.

Where does this Dtl Lake water temperature data come from?

Every temperature on this page is a typical (climatological) value computed from real surface-water field readings collected by state and federal agencies and published through the EPA Water Quality Portal — 748 readings from 3 monitoring stations between 2010 and 2025. They describe what is typical for each month, not the temperature right now.

About this data

Water temperatures are a climatology — the typical value for each month, averaged from real surface-water field readings collected by state and federal agencies and published through the EPA Water Quality Portal. They tell you what to expect, not the temperature at this moment. Actual conditions vary with recent weather, depth, and time of day.